Thread: No...no..not another...aaaagh....M42.
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  #14  
Old 30-01-2012, 08:43 AM
TheDecepticon
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Join Date: Feb 2008
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Greg, I always save a layered PSD file, so I will have a go at the Ha OIII option and try blending in some RGB. I guess "(Ha + OIII)/2 for green" means a 50/50 blend of Ha & OIII in the green channel.
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